Marquise|Lab Grown|IGI

3.80ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG843619809

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843619809

Diamond specifications and retailer prices

From $807 NZD
$454 USD
As of November 2, 2026
Save $4,073 NZD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,881 NZD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.8ct lab-grown marquise diamond

This 3.8ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843619809 or 843619809. Listed at 12 retailers as of October 28, 2026, with prices from $807 to $4,881, a $4,073 spread on the same certified stone. Rare Carat lists it at $4,881. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.80
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843619809
Dimensions16.30 × 8.27 × 5.04 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.30 mm8.27 mm3.80 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843619809
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,881 NZD|Low: $807 NZD|High: $4,881 NZD|Avg: $2,572 NZD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 13$807 NZD
Retailer 8$903 NZD
Retailer 11$1,120 NZD
Retailer 7$1,522 NZD
Retailer 5$1,718 NZD
Retailer 6$2,114 NZD
Retailer 10$2,690 NZD
Retailer 9$2,694 NZD
Retailer 4$3,216 NZD
Retailer 3$3,497 NZD
Retailer 2$3,676 NZD
Retailer 12$4,513 NZD
Rare Carat$4,881 NZD

10 data points across 13 retailers

12 retailers$807 NZD to $4,881 NZD

A
Cheapest Retailer
-
$807 NZD
$454 USD
A
Retailer 2
-
$903 NZD
$508 USD
View
Retailer 3
-
$1,522 NZD
€815 EUR
View
Price last confirmed 9 days ago
A
Retailer 4
-
$1,718 NZD
$966 USD
View
A
Retailer 5
-
$2,114 NZD
A$1,829 AUD
View
A
Retailer 6
-
$2,690 NZD
$1,513 USD
View
B+
Retailer 7
-
$2,694 NZD
$1,515 USD
View
B+
Retailer 8
-
$3,216 NZD
$1,809 USD
View
B+
Retailer 9
-
$3,497 NZD
$1,967 USD
View
B+
Retailer 10
-
$3,676 NZD
£1,628 GBP
View
B+
Retailer 11
-
$4,513 NZD
$2,538 USD
View
Most Expensive
B
Rare Carat
LGMQ30-167873 · Oct 28
$4,881 NZD
$2,745 USD
View
11 more retailers have this diamond
Prices start from $807 NZDSave up to $4,073 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.80ct Marquise
$807 NZD